Relay access denied (total: 13)
           1   46.183.217.174
           1   46.183.220.137
           1   46.183.220.138
           1   46.183.220.139
           1   46.183.223.239
           1   218.38.243.204
           1   185.29.8.198
           1   185.29.9.133
           1   185.29.9.135
           1   46.183.217.162
           1   46.183.217.165
           1   46.183.217.169
           1   91.236.75.169
    Sender address rejected: Access denied (total: 50)

##</code><code>##

use strict;
use warnings;
my $ip="";

while (<>) {
    if (/Relay.access.denied/)
    {
     do {
     print "$2\n" if <> =~ /(\d+)\s+(\S+)/;
     $ip = $2;
    }
     until (<> !~ /(\d+)\s+(\S+)/);
    }
}

##</code><code>##

46.183.217.174
46.183.220.138
46.183.223.239
185.29.8.198
185.29.9.135
46.183.217.165
91.236.75.169